Which of the Following Conclusions Is an Example of Inductive

Which of the following conclusions is an example of inductive reasoning?

A) If firms have economies of scale, then average costs will fall with total output.
B) If a firm has monopoly power, then it will price above marginal cost.
C) If consumer demand is downward sloping, quantity demanded will fall as prices increase.
D) Given that firms in the auto industry in the Southwest were profitable, all firms nationwide were profitable.